Granted Patent
Utility
US 5,821,321 · App. 08/931,850
Molding composition having improved impact strength
Inventors:
Rick L. Archey, James P. Mason, Leslie J. Vescio
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Sep 16, 1997
Inventors
Rick L. Archey
James P. Mason
Leslie J. Vescio
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.